http://www1.plala.or.jp/tete009/en-US/software.html
Отличная, оптимизированная под Windows, модификация Firefox. /
Excellent, optimized for Windows, modification of Firefox.
http://www1.plala.or.jp/tete009/en-US/ - "Virus Total" say - URL is clean:
https://www.virustotal.com/url/ee73499e931f19897969b866ba00f1be4d028ae18c8e2b2597210711c79634cf/analysis/1331411329/
Best optimized Firefox Builds out there, + constantly updated.
Though in light of the other comments on this site, I wonder if Tete009 has been placing viruses in his custom builds all these years?